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The Energy Efficiency Design Index (EEDI)

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Sustainable Shipping

Abstract

Thus far the only regulatory measure to reduce greenhouse gases (GHGs) from ships is the adoption of the Energy Efficiency Design Index (EEDI) by the IMO in 2011. This chapter will go over the rationale behind EEDI and the important factors that influence compliance of a vessel’s Attained EEDI with the regulatory limit of ship-type specific reference lines (Required EEDI) set by the IMO. This chapter will also go over related concepts and requirements, such as the Ship Energy Efficiency Management Plan (SEEMP) and the Energy Efficiency Operational Indicator (EEOI). Concerns around possible implications directly linked or relevant to the EEDI framework will be outlined, including EEDI vs minimum propulsion power. The Existing Vessel Design Index (EVDI) rating of RightShip will also be presented. Last but not least, a discussion of the weaknesses of EEDI will be provided.

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Notes

  1. 1.

    Practically V ref is approximately equal to a typical shipbuilding contract’s “design speed.” V ref is speed at maximum deadweight (70% DWT for container vessels), at 75% MCR but with no sea margin. Design speed is speed at the reduced design draft, typically at 85% MCR but with 15% sea margin.

  2. 2.

    Statement on BIMCO’s web site (https://www.bimco.org/about-us-and-our-members/bimco-statements/04-greenhouse-gases-ghg-emissions, accessed 2 July 2018).

Abbreviations

AER:

Annual Efficiency Ratio

AHEWG-TT:

Ad Hoc Expert Working Group on Facilitation of Transfer of Technology for Ships

BIMCO:

Baltic and International Maritime Council

CO2 :

Carbon dioxide

CSI:

Clean Shipping Index

DCS:

Data Collection System

DWT:

Deadweight

EEDI:

Energy Efficiency Design Index

EEOI:

Energy Efficiency Operational Indicator

EIAPP:

Engine International Air Pollution Prevention

ETS:

Emission trading system

EVDI:

Existing Vessel Design Index

FORS:

Fuel Oil Reduction Strategy

FPSO:

Floating production storage and offloading

FSU:

Floating storage unit

GHG:

Greenhouse gas

GT:

Gross tonnage

IACS:

International Association of Classification Societies

IEE:

International Energy Efficiency

IMO:

International Maritime Organization

ISO:

International Organization for Standardization

ITTC:

International Towing Tank Conference

LNG:

Liquefied natural gas

MARPOL:

The International Convention for the Prevention of Pollution from Ships

MCR:

Maximum continuous rating

MEPC:

Marine Environment Protection Committee

MPP:

Minimum propulsion power

PP:

Propulsion power

PSC:

Port State Control

RO:

Recognized organization

SEEMP:

Ship Energy Efficiency Management Plan

SFOC:

Specific fuel oil consumption

SMS:

Safety management system

VLCC:

Very large crude carrier

References

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The views and opinions expressed in this chapter are those of the authors and do not necessarily reflect the position or views of American Bureau of Shipping or organizations that the authors belong to.

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Authors and Affiliations

  1. American Bureau of Shipping, Houston, TX, USA

    Maria Polakis & Jan Otto de Kat

  2. Atlantic Bulk Carriers Management, Ltd., Piraeus, Greece

    Panos Zachariadis

Authors
  1. Maria Polakis
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  2. Panos Zachariadis
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  3. Jan Otto de Kat
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Correspondence to Maria Polakis .

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Editors and Affiliations

  1. DTU Management Engineering, Technical University of Denmark, Kongens Lyngby, Denmark

    Harilaos N. Psaraftis

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Polakis, M., Zachariadis, P., de Kat, J.O. (2019). The Energy Efficiency Design Index (EEDI). In: Psaraftis, H. (eds) Sustainable Shipping. Springer, Cham. https://doi.org/10.1007/978-3-030-04330-8_3

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